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Finding the Fourth Proportional to 109,858.80, 164,788.20 and 53,725.80

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Solution

The fourth proportional to 109,858.80, 164,788.20 and 53,725.80 is: 80,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,858.80 : 164,788.20 = 53,725.80 : x
  2. Step 2: Convert to fraction form
    109,858.80/164,788.20 = 53,725.80/x
  3. Step 3: Cross multiply
    109,858.80x = 164,788.20 × 53,725.80
  4. Step 4: Simplify right side
    109,858.80x = 8,853,377,875.56
  5. Step 5: Solve for x
    x = 8,853,377,875.56/109,858.80
  6. Step 6: Final answer
    x = 80,588.70

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